Species · BCR 14 · BBS 2025 Release · 1966–2024

Northern House Wren In Atlantic Northern Forest

Northern House Wren in Atlantic Northern Forest has surged: up 250% on the route-weighted index since 1968.

+250%Since 1968
128Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Northern House Wren has surged in Atlantic Northern Forest: up 250% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Northern House Wren in Atlantic Northern Forest is projected to fall about 53% by 2029 — from 5.3 in 2024 to a central estimate of 2.5 (95% range 0.33–4.7). A 5-year backtest shows a typical error of ±68.8%, with 0% of held-out values landing inside the 95% band.

-53%Change by 2029
2.5Projected 2029 index
0.334.795% range
±68.8%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20252.50.324.7
20262.50.324.7
20272.50.324.7
20282.50.334.7
20292.50.334.7

Routes In Atlantic Northern Forest

Routes recording Northern House Wren in Atlantic Northern Forest.
KasoagNEW-YORK182024
ConcordNEW-HAMPSHIRE162024
New HartfordCONNECTICUT151987
SheffieldMASSACHUSETTS142022
St JohnsburyVERMONT142024
CornvilleMAINE132024
N OrangeMASSACHUSETTS122024
FitzwilliamNEW-HAMPSHIRE122024
HopkintonNEW-HAMPSHIRE122024
MarlowNEW-HAMPSHIRE122024
FletcherVERMONT122024
PittsfieldMASSACHUSETTS112016
WalpoleNEW-HAMPSHIRE112024
S WallingfrdVERMONT102022
GlenNEW-HAMPSHIRE92024
Post MillsVERMONT92024
W RutlandVERMONT92024
WestbrookMAINE82024
CanterburyNEW-HAMPSHIRE82024
HighmarketNEW-YORK82024
DegrasseNEW-YORK82024
LandgroveVERMONT82024
Turner 2MAINE72024
DannemoraNEW-YORK72006
GreenwoodMAINE62024

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.